Analysis Overview
SHA256
a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f
Threat Level: Known bad
The file a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Unexpected DNS network traffic destination
Loads dropped DLL
Executes dropped EXE
Checks installed software on the system
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-10 08:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-10 08:08
Reported
2024-06-10 08:10
Platform
win10v2004-20240508-en
Max time kernel
141s
Max time network
126s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-57B5G.tmp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-57B5G.tmp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 141.98.234.31 | N/A | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-57B5G.tmp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.exe
"C:\Users\Admin\AppData\Local\Temp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.exe"
C:\Users\Admin\AppData\Local\Temp\is-57B5G.tmp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.tmp
"C:\Users\Admin\AppData\Local\Temp\is-57B5G.tmp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.tmp" /SL5="$7014C,4736479,54272,C:\Users\Admin\AppData\Local\Temp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.exe"
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -i
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| HK | 141.98.234.31:53 | aieuqva.ru | udp |
| BG | 93.123.39.193:80 | aieuqva.ru | tcp |
| US | 8.8.8.8:53 | 31.234.98.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 193.39.123.93.in-addr.arpa | udp |
Files
memory/1304-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1304-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-57B5G.tmp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.tmp
| MD5 | 9e060fd52fe2d2c3d99f08a2c420fbe4 |
| SHA1 | ff4322563f4093cdcd878b54774bdd95ed167420 |
| SHA256 | c2448d11d0a1487e74f5d94961d1317910f5b7777541bb07e41c15b42b40d377 |
| SHA512 | 36815790bc7e569a3c1a1809d9bcbd3e5742c2694f8a9137e1ec02eca183a5f5a1670bbd806c4510d5b3fb874780a70f7102574678f0f002d8fdfdff701672bb |
memory/3948-10-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-107CG.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
| MD5 | 06b805dc35fc2098e05952fb6b7d12b4 |
| SHA1 | aeda8544af541e3284493eae5b8be35e16b6b654 |
| SHA256 | 2a473adcac8d42d414ff92ded6fc601dd3f14b7fb4779e8fba3704f1674554f6 |
| SHA512 | 9246e548e26490c835df28ca2c85c412ff2391d70d42d9f4dc5b4271b85b2398ff9cefc6be32548fa722ebc667549de6b559743a0246a3fcb86d9dc7984672d7 |
memory/3752-59-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3752-60-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3752-63-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3752-65-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-68-0x0000000000400000-0x000000000070E000-memory.dmp
memory/1304-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3948-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2448-71-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-74-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-77-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-80-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-83-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-87-0x0000000000970000-0x0000000000A12000-memory.dmp
memory/2448-86-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-93-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-96-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-99-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-102-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-105-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-108-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-112-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2448-115-0x0000000000400000-0x000000000070E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 08:08
Reported
2024-06-10 08:10
Platform
win11-20240419-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-M131M.tmp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-M131M.tmp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.tmp | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 141.98.234.31 | N/A | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-M131M.tmp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.exe
"C:\Users\Admin\AppData\Local\Temp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.exe"
C:\Users\Admin\AppData\Local\Temp\is-M131M.tmp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.tmp
"C:\Users\Admin\AppData\Local\Temp\is-M131M.tmp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.tmp" /SL5="$40210,4736479,54272,C:\Users\Admin\AppData\Local\Temp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.exe"
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -i
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -s
Network
| Country | Destination | Domain | Proto |
| HK | 141.98.234.31:53 | csayveu.net | udp |
| BG | 93.123.39.193:80 | csayveu.net | tcp |
| US | 8.8.8.8:53 | 193.39.123.93.in-addr.arpa | udp |
Files
memory/2464-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2464-3-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-M131M.tmp\a761951c00f7f58d52344811cbb6b042a6c8d622e67db789fe2707afc03ba64f.tmp
| MD5 | 9e060fd52fe2d2c3d99f08a2c420fbe4 |
| SHA1 | ff4322563f4093cdcd878b54774bdd95ed167420 |
| SHA256 | c2448d11d0a1487e74f5d94961d1317910f5b7777541bb07e41c15b42b40d377 |
| SHA512 | 36815790bc7e569a3c1a1809d9bcbd3e5742c2694f8a9137e1ec02eca183a5f5a1670bbd806c4510d5b3fb874780a70f7102574678f0f002d8fdfdff701672bb |
C:\Users\Admin\AppData\Local\Temp\is-3JRD4.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
memory/3500-16-0x0000000000400000-0x00000000004BA000-memory.dmp
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
| MD5 | 06b805dc35fc2098e05952fb6b7d12b4 |
| SHA1 | aeda8544af541e3284493eae5b8be35e16b6b654 |
| SHA256 | 2a473adcac8d42d414ff92ded6fc601dd3f14b7fb4779e8fba3704f1674554f6 |
| SHA512 | 9246e548e26490c835df28ca2c85c412ff2391d70d42d9f4dc5b4271b85b2398ff9cefc6be32548fa722ebc667549de6b559743a0246a3fcb86d9dc7984672d7 |
memory/1704-60-0x0000000000400000-0x000000000070E000-memory.dmp
memory/1704-59-0x0000000000400000-0x000000000070E000-memory.dmp
memory/1704-65-0x0000000000400000-0x000000000070E000-memory.dmp
memory/1704-63-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-68-0x0000000000400000-0x000000000070E000-memory.dmp
memory/2464-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3500-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3116-71-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-74-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-77-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-80-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-83-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-86-0x00000000028F0000-0x0000000002992000-memory.dmp
memory/3116-89-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-94-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-97-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-100-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-103-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-106-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-109-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-113-0x0000000000400000-0x000000000070E000-memory.dmp
memory/3116-116-0x0000000000400000-0x000000000070E000-memory.dmp